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    • 22. 发明申请
    • FEC encoding method, FEC decoding method, and FEC decoding apparatus
    • FEC编码方法,FEC解码方法和FEC解码装置
    • US20080002580A1
    • 2008-01-03
    • US11638448
    • 2006-12-14
    • Hiroshi KawadaNoriya SakamotoHideaki Haruyama
    • Hiroshi KawadaNoriya SakamotoHideaki Haruyama
    • H04L12/26
    • H04L1/0009H04L1/0043H04L1/0052
    • Disclosed is an FEC encoding method, including: sequentially storing payloads each included in sequentially supplied media packets into a buffer memory; detecting whether number of the payloads stored reaches a prescribed number or whether a period of time since the payloads have started to be stored into the buffer memory reaches a certain period of time; when detecting that the number of the payloads reaches the prescribed number, performing FEC operation using the prescribed number of payloads stored to generate first information for FEC; when detecting that the period of time since the payloads have started to be stored into the buffer memory reaches the certain period of time, performing FEC operation using the payloads stored into the buffer memory to generate second information for FEC; and outputting the first and second information together with the media packets corresponding thereto.
    • 公开了一种FEC编码方法,包括:顺序地将依次提供的媒体分组中包含的有效载荷存储到缓冲存储器中; 检测存储的有效载荷数是否达到规定数量,或者有效载荷开始存储到缓冲存储器中的时间段是否达到一定时间; 当检测到有效载荷的数量达到规定数量时,使用存储的规定数量的有效载荷进行FEC操作,以产生用于FEC的第一信息; 当检测到有效载荷已经开始存储到缓冲存储器中的时间段达到一定时间时,使用存储在缓冲存储器中的有效载荷进行FEC操作以产生用于FEC的第二信息; 以及与对应的媒体分组一起输出第一和第二信息。
    • 25. 发明申请
    • Video communication apparatus and video communication method
    • 视频通信设备和视频通信方式
    • US20070040897A1
    • 2007-02-22
    • US11442586
    • 2006-05-30
    • Hiroshi KawadaNoriya Sakamoto
    • Hiroshi KawadaNoriya Sakamoto
    • H04N7/14
    • H04N7/141H04N7/155
    • According to one embodiment, a video communication apparatus comprising communication unit which performs communication with an external device, tuner unit which receives broadcasting signals, first codec and second codec which receive and decode video/audio signals and output the decoded signals, display unit which receives the decoded signals, and control unit which controls so as, when one of the codecs is designated and an instruction to perform video communications with the external device is received, or, one of the codecs is designated and an instruction to perform a process of decoding video/audio signals of broadcasting signals, to perform the instructed process by the designated codec, and when the designated codec is already being used, to perform the instructed process by use of the codec that is not being used, and display message to the effect that the other codec is being used.
    • 根据一个实施例,一种包括与外部设备进行通信的通信单元,接收广播信号的调谐器单元,接收和解码视频/音频信号并输出​​解码信号的第一编解码器和第二编解码器的视频通信设备,接收 解码信号和控制单元,当接收到编解码器中的一个被指定并且接收到与外部设备进行视频通信的指令时,控制该控制单元,或者指定了一个编解码器,以及执行解码处理的指令 广播信号的视频/音频信号,通过指定的编解码器执行指示的处理,并且当已经使用指定的编解码器时,通过使用未被使用的编解码器执行指示的处理,并且显示消息 正在使用其他编解码器。